Sandpapering-machine.



No. 883,726. PATENTED OCT. 23, 1906.

E. J. BEIN.

SANDPAPERING MACHINE.

APPLIOATION 'IILED OUT. 20, 1905.

WITNESSES: INVENTOR? ATTORNEY a BHEETSSHBET 1.

PATENTED OCT. 23, 1906.

E. J. BBIN.

.SANDPAPERING MACHINE.

APPLICATION FILED 00T.20, 1906.

3 SHEETS-SHEET 2.

l \v IIIIIIIL N INVENTOR 7- BY L ATTORNEY.

WITNESSES:

MmEM

PATENTED OCT. 23, 1906. E. J. BEIN;

SANDPAPERING MAGHI NE.

APPLIUATION FILED OUT. 20,1905.

3 SHEETS-SHEET 3.

H In

WITNESSES:

- IINVENTOR I ATTORNEY,

UNITED STATES PATENT OFFICE.

EMILE J. BEIN, OF NEWARK, NEW JERSEY, ASSIGNOR TO THE AI JAMITE SURFACEMAOHINE 00., OF NEW YORK.

SANDPAPEFtING MAOHINE.

Specification of Letters Patent.

Patented Oct. 23, 1906.

Application filed October 20, 1905- Serial No. 283,587.

.T0 at whom it may concern.-

. Be it known that I, EMILE J BEIN, a citizen of the United States, residing at Newark, in the county of Essex and State of New J 61": sey, have invented certain new and useful Improvements in Sandpapering-Machines and I do hereby declare the following to be a full, clear, and exact description of the invention, such as will enable others skilled in the art to which it appertains to make and use the same, reference being .had to the accompanying drawings, and to numerals of reference marked thereon, which form a part of this specification.

The objects of this invention are to provide a sandpapering-machine in which the beltpulleys are arranged in vertical plane, to se-- cure improved means for supportin said pulleys, to thus provide a horizonta y-disposed table for sup orting the work while it engages a vertica lydisposed sandpaperbelt, to enable such work-table to be adjusted to difierent ositions and to be swung out of the way to acilitate the application and removal of the belt, to obtain improved means for adjusting said table, to secure a flexible or yielding and otherwise idle portion of the belt which can be employed for sandpaper-- ures, Figure 1 is a front elevation of my im-.

proved sandpa ering-machine, and Fig. 2 is an elevation o the same from the s1de at which the belt is applied. Fig. 3 is a horizontal cross-section on line w, Fig. 1; and Fig. 4 is a detail front elevation of the work table detached from its slidewayv and having its hinged shelf open. i

. In said drawin s, 2 indicates an upright standard provide with a broad foot or base 3 and 4 is a rectangular frame adapted to be,

bolted at one of its side pieces fiatwise against the upright 2, as shown in the drawings. Said frame 4 provides at the upper and lower portions of its front side bearings for drums 5 6, over which runs thebroad sandpapering-belt 7. Preferably one of said bearin s, as the lower one, 8, is fixed, while the ot er, as the upper one,"9, is slidable upon the frame 4 and adapted to be adjusted by hand-screws 10 to secure the desired tension of the belt. The shaft of the lower drum 5 is extended at one end beyond the supporting-frame4 to carry fast and loose 'vin -pulleys 12 13, adapted to receive a belt which may be controlled by a shifter 14, slidably mounted upon the frame 4 and provided with a handle 15 for the operator.

Upon the front side of the frame 4 are horizontally-projecting posts 16 17 which carry at their outer ends a platen 18, which is adapted to lie against the inner side of one upright portion 71 of the belt 7 so as to forrn a support therefor and enable the work to be pressed thereagainst. This platen extends for nearly the entire distance betweenthe OF NEWARK, NEW JERSEY, A CORPORATION pulleys 5- 6 and is slightly wider than the belt,

so as to form at its edges slideways 19. Preferably said platen 18 is secured to the posts 16 17 by screws or bolts 20, threaded into the platen, and other screws 21, threaded only into the posts and ada tedto abut against the platen 18 and act as I It will be understood that the work is adapted to be pressed against the vertical belt 7, wnich is in turn supported by the platen 18, and in order to support from beneath such work I mount upon the platen 18 a worktable which extends around said laten to lie at the front of the belt. The body portion 22 of the table extends across the inner side of the platen 18 and at its opposite ends provides transverse surfaces 23,-adapted to engage the marginal slideways 19 of the platen and outer flanges 24, adapted to overlap the edges of the platen. Through one of these ribs extends a setscrew 25, which is adapted to clampsaid body portion 22 of the work table at any desired oint of the platen, and also upon said ribs or an es 24 are removably secured, as by screws 26, iee erlates 27, adapted to overlie the edgeso the ont side of the platen and secure the said body portion of the work-table thereto, while permitting it to slide freely up and down. To one end of said portion 22ishinged, as at 28, upon a vertical hinge-pin, a front ock-screws.

member 29, which is adapted to lie in front of the platen 18 and belt 7 and be detachably secure at its free end to the body portion 22, as by means of a screw 30. This front member 29 of the table has hinged to its upper edge upon horizontal hinge-pins 31 31 a shelf 32, which is thus adapted to lie at its inner edge closely adjacent to the sandpaperbelt 7 and to be tipped-u 0r downto lie at any desired angle to sai belt. Preferably said angular adjustment of the shelf 32 is secured by curved arms 33 33, each hinged at one end to the table 32 and sliding through slideways 34 of the front member 29, setscrews 35 being employed to clamp said arms in any desired position. Sai arms may also benotched, as at 36, if desired.

Preferably the top' of the table 32 is lon itudinally grooved, as at 37, to receive a sli ebar'38, which carries upon itselfa rotatable rest 39, which can be set in any angular position, a screw'40 serving to clamp both rest and slide-bar, as is common in the art.

It will be seen that by means of the table thus described a iece of work can be securely and firmly el'd in almost any desired position with reference to the belt 7, while at the same time the table can be swung entirely out of the way to permit free removal andreplacing of the belt 7 with respect to its drums. Furthermore, by the eneral construction of my machine it will e seen that the work is supported entirely independent of the belt 7, so that the abrading effect of the said belt depends only upon the pressure which is employed. More uniform and perfect work can thus be attained. Again, it should be noted that one upright portion, as 72, of the belt 7 is 'by my improved construction left wholly free and exposed so as to be flexible or yielding. This portion 72 of the belt can therefore be employed for smoothing or olishin curved and irregular surfaces whic woul not fit against the platen-18. The capacity of my machine for various kinds of work is therefore greatly increased.

Having thus described the invention, what I claim as new is- 1. A sandpapering machine comprising a supporting-frame, a pair of drums on the ame one above the other, a sandpaperingbelt running on the drums, a platen close behind one of the vertical portions of the belt, and flanking the belt, a table in front of side 0 tne platen to detachably secure the,

table in its working position, means for tilt ing the table vertically and means for holding the table in its vertically-adjusted position.

In testimony that I claim the foregoing I have hereunto set my hand this 2d day of October, 1905.

' EMILE J. BEIN. Witnesses:

CHARLES H. PELL, RUssELL M. EVERETT. 

